人教版初二数学上册多项式乘多项式练习题精选49.docx

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人教版初二数学上册多项式乘多项式练习题精选49.docx

人教版初二数学上册多项式乘多项式练习题精选49

(4x-7)(2x+1)(x+6y)(x+y)

(3x-y)(x2-xy-y2)(m-4n)(4m+2n)

(a+4)2(2a-6b)(a-8b)

(x2-7)(4x+5)(x2+x-2)(x-3)

(x-3)(x+3)(x-6)(x+6)

(y+4)(y+1)(y-3)(y-3)

(-x4)(5x-5)7a(4a+4b)(4x+6y)(-4x)

51

(—ab3-3ab)•—ab3x(4x+4)-4x(x+3)+3x(x+2)

45

(x-9)(x-4)(x+7y)(2x+6y)

(x+2y)(x2+2xy+y2)(2m+n)(3m-3n)

(a+4)2(a+2b)(4a+b)

(3x2+7)(x+7)(2x2+3x+2)(2x-3)

(x+2)(x-2)(x+5)(x+3)

(y+2)(y+3)(y-3)(y-2)

(-x4)(4x+2)-7a(4a-8b)(6x-9y)(-3x)

31

(—ab2-3ab)•—abx(2x-4)-x(4x-1)+4x(3x+3)

43

(x+9)(3x+2)(x+2y)(x-y)

(2x+y)(x2+2xy+y2)(2m+n)(m-8n)

(2a-1)2(a+b)(a+b)

(2x2-9)(2x+5)(2x2+2x+1)(x-3)

(x+1)(x+2)(x+1)(x+2)

(y-2)(y-1)(y-2)(y-2)

(-9x4)(2x+7)6a(3a+2b)(8x-2y)(-5x)

61

(—ab2-3ab)•—ab24x(2x+2)+2x(x-4)+3x(x-2)

56

(2x+1)(2x+3)(2x+3y)(x+y)

(x-y)(x2+xy+y2)(m-7n)(4m-5n)

(a-3)2(3a+7b)(3a-8b)

(x2+8)(x-6)(x2+4x-2)(x+2)

(x+3)(x+2)(x+2)(x+1)

(y+1)(y+2)(y-1)(y-2)

(-x3)(-3x-8)4a(3a-6b)(4x-9y)(-9x)

51

(—ab2-4ab)•—ab2x(x-2)-x(2x-2)-x(4x-3)

65

(x-7)(2x-6)(4x+y)(x-y)

(x-y)(x2-xy-y2)(3m+n)(m-n)

(4a-2)2(a+5b)(3a+b)

(x2+1)(x+4)(3x2+3x-3)(x-1)

(x+1)(x+3)(x+5)(x+1)

(y+1)(y-2)(y+3)(y-2)

(-5x2)(2x-4)-3a(2a-2b)(4x+4y)(-4x)

51

(—ab3+2ab)•—ab3x(2x+2)-x(x-3)+x(x-3)

45

(2x+4)(x+9)(4x-3y)(4x+6y)

(x+y)(x2-3xy-y2)(3m+n)(2m+3n)

(3a-2)2(2a+5b)(3a-7b)

(3x2-4)(x+5)(3x2+4x-1)(x-2)

(x-1)(x+1)(x-5)(x+1)

(y-3)(y-2)(y-3)(y+1)

(-x3)(-4x+8)-5a(9a-2b)(8x+5y)(-2x)

41

(—ab2+2ab)•—abx(x-2)+2x(x+3)+2x(x+4)

34

(x-5)(2x+3)(2x-y)(3x-9y)

(3x+y)(x2-2xy-y2)(m+n)(4m-8n)

(3a+4)2(2a+b)(a+b)

(x2-2)(2x-2)(x2+4x+1)(2x-3)

(x-3)(x+2)(x+2)(x+3)

(y+4)(y-2)(y+2)(y-3)

(-9x2)(4x+4)-5a(3a-6b)(2x+7y)(-5x)

71

(—ab2-4ab)•—ab22x(x+4)-x(3x-1)+4x(4x-3)

67

(x-2)(4x-8)(x+4y)(4x-5y)

(2x+y)(x2-xy-y2)(m-n)(m-5n)

(a-4)2(a-7b)(3a-b)

(x2+8)(x+4)(x2+x+1)(2x-1)

(x-1)(x-2)(x-1)(x-4)

(y-1)(y+2)(y-4)(y+1)

(-x3)(-8x+8)7a(8a+6b)(7x-5y)(-3x)

41

(—ab2+5ab)•—ab3x(x-1)-x(2x+4)+4x(2x-1)

54

(4x-1)(x-9)(x-y)(2x+8y)

(x+y)(x2+xy-y2)(2m-n)(m-n)

(a-1)2(a+9b)(3a-8b)

(x2-7)(4x+3)(2x2+2x-3)(2x+3)

(x-3)(x+1)(x-4)(x-6)

(y+3)(y+2)(y+2)(y+2)

(-5x3)(-8x-1)7a(8a-2b)(4x-4y)(-4x)

61

(—ab3-2ab)•—ab2x(x+2)-2x(x-1)+x(2x+4)

56

(4x-6)(x+5)(x-8y)(3x+y)

(3x+y)(x2+xy-y2)(4m-n)(4m+n)

(4a-2)2(4a+5b)(2a-b)

(x2-9)(x+1)(x2-x+3)(3x-2)

(x+2)(x+3)(x-4)(x-4)

(y-1)(y+3)(y+3)(y-3)

(-x4)(-8x+7)-8a(9a+6b)(5x-7y)(-6x)

61

(—ab2-3ab)•—ab22x(2x+2)+x(x-3)-3x(3x-2)

56

(2x-8)(x+7)(x-y)(x+4y)

(3x-3y)(x2+3xy-y2)(3m+2n)(2m-2n)

(2a+2)2(a-b)(3a-b)

(3x2+1)(x+6)(x2-x+3)(3x+1)

(x-1)(x-2)(x+2)(x+2)

(y+1)(y-2)(y+4)(y-3)

(-x2)(-6x-3)2a(6a-8b)(2x-4y)(-9x)

21

(—ab3-4ab)•—abx(x-3)+x(x+1)+4x(3x-1)

32

(x+6)(4x-5)(x-7y)(4x+8y)

(x-2y)(x2-xy-y2)(m-6n)(m-n)

(a+1)2(2a+2b)(3a-b)

(x2-6)(4x+2)(3x2-2x+3)(x+2)

(x-4)(x+3)(x-5)(x-3)

(y+3)(y+3)(y-3)(y-2)

(-x3)(5x+7)-7a(8a+4b)(3x+3y)(-2x)

41

(—ab2+6ab)•—ab2x(3x-3)+2x(2x+4)-2x(2x-2)

34

(x-3)(3x+2)(x-y)(x-3y)

(x-2y)(x2-xy-y2)(2m-2n)(4m-9n)

(3a+3)2(a-b)(4a-9b)

(4x2+3)(x-9)(x2-2x-1)(x+2)

(x-1)(x+1)(x+6)(x+6)

(y-4)(y+2)(y-1)(y-1)

(-x2)(9x-7)-8a(9a-3b)(7x-3y)(-7x)

31

(—ab3+2ab)•—ab2x(x-2)+x(3x-4)-x(3x-1)

43

(4x-1)(x+5)(3x-2y)(x+y)

(x+3y)(x2-3xy-y2)(m+2n)(2m+7n)

(4a-3)2(2a+b)(a+b)

(2x2+9)(x-4)(2x2-2x+1)(x+2)

(x-1)(x+2)(x+2)(x-6)

(y-1)(y+1)(y+1)(y+2)

(-7x2)(-3x+9)-5a(6a+4b)(3x-5y)(-2x)

21

(—ab3+6ab)•—ab2x(x-2)-3x(3x+2)-4x(x-1)

32

(x-1)(3x+2)(x+y)(x+y)

(x+3y)(x2-2xy-y2)(m+n)(m-6n)

(a+2)2(a-b)(a+b)

(2x2-7)(4x+1)(x2+x-2)(x+3)

(x+2)(x-3)(x-3)(x+2)

(y+1)(y+1)(y-1)(y+2)

(-x3)(-2x-3)-7a(2a-9b)(5x+9y)(-9x)

71

(—ab2-3ab)•—ab2x(x+1)-4x(4x+4)+3x(2x-4)

67

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